CN114190156A

CN114190156A - Dust protected weeder is used in municipal garden that noise reduction effect is good

Info

Publication number: CN114190156A
Application number: CN202111234800.6A
Authority: CN
Inventors: 张香杨; 何良妹
Original assignee: Anhui Lvquan Ecological Environment Construction Co ltd
Current assignee: Anhui Lvquan Ecological Environment Construction Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-03-18
Anticipated expiration: 2041-10-22
Also published as: CN114190156B

Abstract

The invention provides a dust-proof weeding machine for municipal gardens with good noise reduction effect, which comprises an installation shell, baffles, moving wheels, a lifting regulation and control cylinder structure, a weeding motor, a speed reducer, a connecting shaft, an assembly seat, a weeding cutter, a suction protection cylinder structure, a storage battery, a movable arm, a gripping rod, an installation cabinet, a controller, a control switch, a connecting plate and a regulation and protection cover structure, wherein the baffles are installed on the middle part of the inner wall of the installation shell through bolts, and the moving wheels are connected around the inner wall of the installation shell through shafts; the lifting regulation and control cylinder structure is arranged in the middle part above the inner part of the mounting shell; the weeding motor is mounted at the upper end of the speed reducer through a bolt; connecting axle one end inlay the lower extreme at the reduction gear, the other end is inlayed and is had the equipment seat, and the left and right sides on equipment seat surface all welds and has the weeding cutter. The invention absorbs the arrangement of the protective cylinder structure to carry out noise reduction and protection on weeding places.

Description

Dust protected weeder is used in municipal garden that noise reduction effect is good

Technical Field

The invention belongs to the technical field of municipal gardens, and particularly relates to a dust-proof weeding machine with a good noise reduction effect for municipal gardens.

Background

Municipal garden's construction process, functional requirement and operation purpose are different with the forestry, but all are the component of production construction, and one is with drawing materials as the owner, and one is with environmental protection as the owner, can be convenient and quick completion work through the weeder at the in-process of current municipal garden weeding.

However, the existing dust-proof weeding machine for the municipal garden also has the problems that the generated waste dust is not convenient to collect, the height of the blade is not convenient to adjust, and the noise reduction protection is not convenient to the working position.

Therefore, the dust-proof weeding machine for the municipal garden with good noise reduction effect is very necessary.

Disclosure of Invention

In order to solve the technical problems, the invention provides a dust-proof weeding machine for municipal gardens with a good noise reduction effect, and aims to solve the problems that the existing dust-proof weeding machine for municipal gardens are inconvenient to collect waste scraps and dust, adjust the height of a blade and protect a working position from noise. A dust-proof weeding machine with good noise reduction effect for municipal gardens comprises an installation shell, baffles, moving wheels, a lifting regulation cylinder structure, a weeding motor, a speed reducer, a connecting shaft, an assembly seat, a weeding cutter, a suction protection cylinder structure, a storage battery, a movable arm, a gripping rod, an installation cabinet, a controller, a control switch, a connecting plate and a regulation protection cover structure, wherein the baffles are installed on bolts at the middle part of the inner wall of the installation shell, and the moving wheels are axially connected around the inner wall of the installation shell; the lifting regulation and control cylinder structure is arranged in the middle part above the inner part of the mounting shell; the weeding motor is mounted at the upper end of the speed reducer through a bolt; one end of the connecting shaft is embedded at the lower end of the speed reducer, the other end of the connecting shaft is embedded with an assembling seat, and weeding cutters are welded on the left side and the right side of the surface of the assembling seat; the absorbing protective cylinder structure is arranged at the rear part of the mounting shell; the storage batteries are embedded at the left side and the right side of the upper end of the baffle; the movable arm is connected to the right upper part of the outer wall of the connecting plate in a shaft mode; the gripping rod is welded at the right end of the movable arm; the mounting cabinet is mounted on the right side of the lower surface of the movable arm through bolts, and a controller is embedded in the mounting cabinet; the control switch is embedded at the right end of the controller; the connecting plate is welded in the middle of the upper end of the mounting shell; the adjusting and shielding structure is arranged at the lower part of the outer wall of the mounting shell; the absorption protection cylinder structure comprises an installation frame, a connecting cylinder, a support ring, a connecting frame, an interception net, a receiving box, a soft cylinder and a movable rotating seat structure, wherein the installation frame is welded at the left end of the connecting cylinder, and meanwhile, a connecting cylinder bolt is installed in the middle of the rear side in the installation shell; the support ring is mounted in the middle of the inner wall of the connecting cylinder through bolts, and an intercepting net is embedded in the support ring; the connecting frame bolt is arranged in the middle of the right end of the support ring; the receiving box is welded at the lower side in the connecting cylinder, and a soft cylinder is embedded at the right end of the receiving box; the movable rotating seat structure is arranged in the connecting cylinder.

Preferably, the movable rotating base structure comprises a rotating motor, an installation cylinder, fan blades, a rotating shaft, a dismounting cover and a scraping plate, wherein the rotating shaft is embedded in an output shaft of the rotating motor; the mounting cylinder is embedded on the right side of the outer wall of the rotating shaft, and fan blades are welded on the upper part and the lower part of the outer wall of the mounting cylinder; the rotating shaft is movably inserted into the middle part inside the connecting frame; the dismouting lid threaded connection in the left end of pivot, and the upper end welding of dismouting lid has and scrapes the board.

Preferably, the adjusting and shielding structure comprises a sleeving frame, a sound insulation pad, an installation shaft, a rotating plate, a positioning square plate and a regulating and controlling side plate, wherein the sound insulation pad is glued on the inner wall of the sleeving frame; the mounting shaft is mounted at the left lower part of the inner wall of the sleeve frame through a bearing, and rotating plates are welded on the periphery of the outer wall of the mounting shaft; the positioning square plates are welded on the periphery of the upper surface of the sleeving frame; the regulating side plates are respectively welded at the front part and the rear part of the left side and the right side of the outer wall of the mounting shell.

Preferably, the lifting regulation and control cylinder structure comprises a protection cylinder, an assembly disc, a reinforcement cylinder, a measuring rod, a mounting nut and an operation screw rod, wherein the protection cylinder is inserted into the middle part inside the baffle; the assembling disc bolt is arranged at the lower part of the inner wall of the protective cylinder, and the reducer is arranged on the upper surface of the assembling disc bolt; the reinforcing cylinder is embedded at the right side above the inner part of the mounting shell; the measuring rod penetrates through the reinforcing cylinder and is connected with the right side bolt at the upper end of the protection cylinder; the mounting nut is embedded in the left side above the inside of the mounting shell; the operation screw rod threaded connection in the inside of mounting nut, the activity embedding of operation screw rod lower extreme simultaneously is in the upper left portion of the inside of a protection section of thick bamboo.

Preferably, the link be the T type, the link middle part integration is provided with the steel cylinder simultaneously, and the rubber ring has been glued in the steel cylinder, the pivot through the inside rubber ring of link.

Preferably, the interception net is fixed in the connecting cylinder through the support ring, and the interception net is arranged above the receiving box.

Preferably, the fan blade is fixed on the right side of the outer wall of the rotating shaft through the mounting cylinder, and the fan blade is arranged on the right surface of the intercepting net.

Preferably, the right surface of the scraping plate is provided with a rubber pad, and the rubber pad is clung to the left surface of the intercepting net.

Preferably, the sound insulation pad in the sleeving frame adopts a polyethylene pad, and the sleeving frame is arranged on the lower part of the outer wall of the mounting shell.

Preferably, the inside slot hole that is provided with of regulation and control curb plate, and the slot hole passes through bolt and nut and fixes with the square board of location.

Preferably, the operating screw is T-shaped and supported by a mounting nut, and a protective tube at the lower end of the operating screw is inserted into the middle of the baffle.

Preferably, the surface of the measuring rod is provided with scale marks in centimeters, and the measuring rod is fixed inside the reinforcing cylinder through a bolt.

Compared with the prior art, the invention has the beneficial effects that:

1. in the invention, the installation frame, the connecting cylinder, the receiving box and the soft cylinder are arranged, so that dust and scraps can be conveniently absorbed and discharged, and the dustproof protection function is assisted.

2. According to the dust collecting device, the support ring and the intercepting net are arranged, so that the dust collecting device is convenient to disassemble and maintain, and meanwhile, the sucked dust and the sucked waste are intercepted and collected, so that the dust and the waste are prevented from splashing around to influence the environment.

3. In the invention, the connecting frame is arranged to be matched with the rotating shaft for connecting and supporting.

4. In the invention, the installation cylinder and the fan blades can rotate to suck.

5. In the invention, the arrangement of the dismounting cover and the scraping plate can clean and discharge the scraps and dust absorbed by the surface of the intercepting net.

6. In the invention, the arrangement of the sleeving frame and the sound insulation pad can reduce noise and protect the weeding position.

7. In the invention, the arrangement of the positioning square plate and the regulating side plate is convenient for matching with the splicing frame for lifting regulation.

8. In the invention, the installation shaft and the rotating plate are arranged, and the auxiliary sleeving frame is used for protecting and preventing dust.

9. According to the invention, the arrangement of the reinforcing cylinder and the measuring rod is convenient to be matched with the protection cylinder for lifting adjustment.

10. According to the invention, the arrangement of the mounting nut and the operating screw is convenient for manual cooperation with the lifting of the protection cylinder, so that the weeding cutter is driven to adjust the height for use.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural side view of the suction guard cylinder structure of the present invention.

Fig. 3 is a schematic structural view of the movable rotary base structure of the present invention.

FIG. 4 is a schematic structural view of an adjustment plus guard structure of the present invention.

Fig. 5 is a schematic structural view of the lift control cylinder structure of the present invention.

Fig. 6 is a schematic electrical wiring diagram of the present invention.

In the figure:

1. mounting a shell; 2. a baffle plate; 3. a moving wheel; 4. a lifting regulation cylinder structure; 41. a protective cylinder; 42. assembling a disc; 43. a reinforcement cylinder; 44. a measuring rod; 45. mounting a nut; 46. operating the screw; 5. a weeding motor; 6. a speed reducer; 7. a connecting shaft; 8. assembling a seat; 9. a weeding cutter; 10. a suction protection cylinder structure; 101. installing a frame; 102. a connecting cylinder; 103. a support ring; 104. a connecting frame; 105. an intercepting net; 106. a receiving box; 107. a soft cylinder; 108. a movable rotary base structure; 1081. a rotating electric machine; 1082. mounting the cylinder; 1083. a fan blade; 1084. a rotating shaft; 1085. disassembling and assembling the cover; 1086. scraping a plate; 11. a storage battery; 12. a movable arm; 13. a grasping rod; 14. installing a cabinet; 15. a controller; 16. a control switch; 17. a connecting plate; 18. adjusting a shielding structure; 181. sleeving and connecting the frame; 182. a sound insulating pad; 183. installing a shaft; 184. a rotating plate; 185. positioning the square plate; 186. and regulating and controlling the side plates.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example (b):

as shown in the attached figure 1, the dust-proof type weeding machine for the municipal garden with good noise reduction effect comprises an installation shell 1, baffles 2, moving wheels 3, a lifting regulation and control cylinder structure 4, a weeding motor 5, a speed reducer 6, a connecting shaft 7, an assembly seat 8, a weeding cutter 9, a suction protection cylinder structure 10, a storage battery 11, a movable arm 12, a grabbing rod 13, an installation cabinet 14, a controller 15, a control switch 16, a connecting plate 17 and an adjustment and protection cover structure 18, wherein the baffles 2 are installed on the middle part of the inner wall of the installation shell 1 through bolts, and the moving wheels 3 are connected around the inner wall of the installation shell 1 through shafts; the lifting regulation and control cylinder structure 4 is arranged in the middle part above the inner part of the mounting shell 1; the weeding motor 5 is mounted at the upper end of the speed reducer 6 through a bolt; one end of the connecting shaft 7 is embedded at the lower end of the speed reducer 6, the other end of the connecting shaft is embedded with an assembling seat 8, and weeding cutters 9 are welded on the left side and the right side of the surface of the assembling seat 8; the absorbing protective cylinder structure 10 is arranged at the rear part of the mounting shell 1; the storage batteries 11 are embedded at the left side and the right side of the upper end of the baffle 2; the movable arm 12 is connected to the right upper part of the outer wall of the connecting plate 17 in a shaft mode; the gripping rod 13 is welded at the right end of the movable arm 12; the mounting cabinet 14 is mounted on the right side of the lower surface of the movable arm 12 through bolts, and a controller 15 is embedded in the mounting cabinet 14; the control switch 16 is embedded at the right end of the controller 15; the connecting plate 17 is welded in the middle of the upper end of the mounting shell 1; the adjusting and shielding structure 18 is arranged at the lower part of the outer wall of the mounting shell 1.

As shown in fig. 2, in the above embodiment, specifically, the suction protection cylinder structure 10 includes a mounting frame 101, a connecting cylinder 102, a support ring 103, a connecting frame 104, a blocking net 105, a receiving box 106, a soft cylinder 107 and a movable rotating base structure 108, the mounting frame 101 is welded at the left end of the connecting cylinder 102, and the connecting cylinder 102 is bolted to the middle of the rear side inside the mounting shell 1; the support ring 103 is mounted in the middle of the inner wall of the connecting cylinder 102 through bolts, and an intercepting net 105 is embedded in the support ring 103; the dust and the sweeps enter the connecting cylinder 102 through the mounting frame 101 and are intercepted by the intercepting net 105; the connecting frame 104 is mounted in the middle of the right end of the support ring 103 through bolts; the receiving box 106 is welded at the lower side of the interior of the connecting cylinder 102, and a soft cylinder 107 is embedded at the right end of the receiving box 106; the movable swivel structure 108 is mounted within the connector barrel 102.

As shown in fig. 3, in the above embodiment, specifically, the movable rotating base structure 108 includes a rotating electrical machine 1081, an installation cylinder 1082, a fan blade 1083, a rotating shaft 1084, a detachable cover 1085 and a scraping plate 1086, and the rotating electrical machine 1081 has a rotating shaft 1084 embedded in an output shaft thereof; the driving rotating motor 1081 is matched with the rotating shaft 1084 to drive the mounting cylinder 1082 and the fan blades 1083 to rotate to generate suction force; the mounting cylinder 1082 is embedded at the right side of the outer wall of the rotating shaft 1084, and fan blades 1083 are welded at the upper part and the lower part of the outer wall of the mounting cylinder 1082; the rotating shaft 1084 is movably inserted into the middle part of the interior of the connecting frame 104; the rotating shaft 1084 drives the dismounting cover 1085 and the scraping plate 1086 to rotate, so that sundries intercepted on the surface of the scraping intercepting net 105 fall into the receiving box 106 and flow out of the soft cylinder 107; the dismouting lid 1085 threaded connection in the left end of pivot 1084, and the welding of dismouting lid 1085's upper end has scraping plate 1086.

As shown in fig. 4, in the above embodiment, specifically, the adjusting and shielding structure 18 includes a sleeving frame 181, a sound insulation pad 182, a mounting shaft 183, a rotating plate 184, a positioning square plate 185 and a regulating side plate 186, wherein the sound insulation pad 182 is glued on the inner wall of the sleeving frame 181; noise generated in the working process is blocked by the sleeving frame 181 and the sound insulation pad 182 to reduce the protection; the mounting shaft 183 is mounted at the left lower part of the inner wall of the sleeving frame 181 through a bearing, and the rotating plates 184 are welded on the periphery of the outer wall of the mounting shaft 183; the movable splicing frame 181 reaches a proper height, and meanwhile, the positioning square plate 185 also reaches a proper position on the regulating side plate 186; the positioning square plates 185 are welded around the upper surface of the sleeving frame 181; the bolt and the nut at the joint of the regulating side plate 186 and the positioning square plate 185 are screwed down to be fixed, so that the regulation is completed; the regulating side plates 186 are respectively welded at the front and rear parts of the left and right sides of the outer wall of the mounting shell 1.

As shown in fig. 5, in the above embodiment, specifically, the elevation regulation and control cylinder structure 4 includes a protection cylinder 41, an assembly disc 42, a reinforcement cylinder 43, a measuring rod 44, a mounting nut 45 and an operation screw 46, and the protection cylinder 41 is inserted into the middle portion inside the baffle 2; the assembling disc 42 is mounted on the lower part of the inner wall of the protecting cylinder 41 through bolts, and the speed reducer 6 is mounted on the upper surface of the assembling disc 42 through bolts; the bolt in the reinforcing cylinder 43 is screwed to fix the measuring rod 44 to complete adjustment; the reinforcing cylinder 43 is embedded at the right side above the inner part of the mounting shell 1; the measuring rod 44 passes through the reinforcing cylinder 43 and is connected with the right bolt at the upper end of the protection cylinder 41; the mounting nut 45 is embedded at the left side above the inside of the mounting shell 1; the operating screw rod 46 is rotated to drive the protection cylinder 41 to reach a proper position through the scale marks on the surface of the measuring rod 44; the operating screw 46 is screwed into the mounting nut 45, and the lower end of the operating screw 46 is movably inserted into the upper left portion of the interior of the protective cylinder 41.

In the above embodiment, the weeding motor 5 is a motor with model 5IK90RGU-CF/5 GU7.5K.

In the above embodiment, specifically, the controller 15 uses a PLC of model FX 2N-48.

In the above embodiment, specifically, the rotating electric machine 1081 is a model 57BL02 motor.

In the above embodiment, specifically, the control switch 16 is electrically connected to the controller 15, the weeding motor 5 is electrically connected to the controller 15, and the rotating motor 1081 is electrically connected to the controller 15.

Principle of operation

In the invention, the grasping rod 13 is grasped to push so as to lead the mounting shell 1 to move through the moving wheel 3, the weeding motor 5 is driven to match the speed reducer 6 to lead the connecting shaft 7, the assembling seat 8 and the weeding cutter 9 to rotate to carry out weeding work in the moving process, the rotating motor 1081 is driven to match the rotating shaft 1084 to drive the mounting cylinder 1082 and the fan blade 1083 to rotate to generate suction force in the working process, so that dust and waste scraps generated in the weeding process enter the connecting cylinder 102 through the mounting frame 101, then the dust and the waste scraps are intercepted through the intercepting net 105, the rotating shaft 1084 drives the disassembling and assembling cover 1085 and the scraping plate 1086 to rotate in the sucking process, thereby the sundries intercepted on the surface of the intercepting net 105 are scraped to fall into the receiving box 106 and flow out from the soft cylinder 107, the noise generated in the working process is blocked by the sleeving frame 181 and the sound insulating pad 182 to reduce the protection, when the adjustment is needed, the rotating operation screw 46 drives the protection cylinder 41 to reach a proper position through the scale mark line on the surface of the measuring rod 44, meanwhile, the protecting cylinder 41 drives the weeding motor 5, the speed reducer 6, the connecting shaft 7, the assembling seat 8 and the weeding cutter 9 to reach a proper position, finally, bolts in the reinforcing cylinder 43 are screwed to fix the measuring rod 44 to finish adjustment, then, the movable sleeve connecting frame 181 reaches a proper height, meanwhile, the positioning square plate 185 also reaches a proper position on the adjusting side plate 186, and finally, bolts and nuts at the joint of the adjusting side plate 186 and the positioning square plate 185 are screwed to finish adjustment.

The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention.

Claims

1. The utility model provides a dust protected weeder is used in municipal garden that noise reduction effect is good, its characterized in that, this dust protected weeder is used in municipal garden that noise reduction effect is good, including installation shell (1), baffle (2), remove wheel (3), lift regulation and control section of thick bamboo structure (4), weeding motor (5), reduction gear (6), connecting axle (7), equipment seat (8), weeding cutter (9), absorb protection section of thick bamboo structure (10), battery (11), digging arm (12), gripping lever (13), installation cabinet (14), controller (15), control switch (16), connecting plate (17) and regulation and shield structure (18), the middle part bolt of installation shell (1) inner wall install baffle (2), and install all the hub connections all around of shell (1) inner wall and have removal wheel (3); the lifting regulation and control cylinder structure (4) is arranged in the middle part above the inner part of the mounting shell (1); the weeding motor (5) is arranged at the upper end of the speed reducer (6) through a bolt; one end of the connecting shaft (7) is embedded at the lower end of the speed reducer (6), the other end of the connecting shaft is embedded with an assembling seat (8), and weeding cutters (9) are welded on the left side and the right side of the surface of the assembling seat (8); the absorbing protective cylinder structure (10) is arranged at the rear part of the mounting shell (1); the storage batteries (11) are embedded at the left side and the right side of the upper end of the baffle (2); the movable arm (12) is connected to the right upper part of the outer wall of the connecting plate (17) in a shaft mode; the gripping rod (13) is welded at the right end of the movable arm (12); the mounting cabinet (14) is mounted on the right side of the lower surface of the movable arm (12) through bolts, and a controller (15) is embedded in the mounting cabinet (14); the control switch (16) is embedded at the right end of the controller (15); the connecting plate (17) is welded in the middle of the upper end of the mounting shell (1); the adjusting and shielding structure (18) is arranged at the lower part of the outer wall of the mounting shell (1); the suction protection cylinder structure (10) comprises a mounting frame (101), a connecting cylinder (102), a support ring (103), a connecting frame (104), an intercepting net (105), a receiving box (106), a soft cylinder (107) and a movable rotating seat structure (108), wherein the mounting frame (101) is welded at the left end of the connecting cylinder (102), and the connecting cylinder (102) is mounted in the middle of the rear side in the mounting shell (1) through bolts; the supporting ring (103) is mounted in the middle of the inner wall of the connecting cylinder (102) through bolts, and an intercepting net (105) is embedded in the supporting ring (103); the connecting frame (104) is arranged in the middle of the right end of the support ring (103) through a bolt; the receiving box (106) is welded at the lower side of the interior of the connecting cylinder (102), and a soft cylinder (107) is embedded at the right end of the receiving box (106); the movable rotating seat structure (108) is arranged in the connecting cylinder (102).

2. The dust-proof weeding machine for the municipal garden with good noise reduction effect according to claim 1, wherein the movable rotating base structure (108) comprises a rotating motor (1081), an installation cylinder (1082), a fan blade (1083), a rotating shaft (1084), a dismounting cover (1085) and a scraping plate (1086), and the rotating shaft (1084) is embedded in an output shaft of the rotating motor (1081); the mounting cylinder (1082) is embedded at the right side of the outer wall of the rotating shaft (1084), and fan blades (1083) are welded at the upper part and the lower part of the outer wall of the mounting cylinder (1082); the rotating shaft (1084) is movably inserted into the middle part inside the connecting frame (104); dismouting lid (1085) threaded connection in the left end of pivot (1084), and the upper end welding of dismouting lid (1085) has scraping plate (1086).

3. The dust-proof weeding machine for the municipal garden with good noise reduction effect according to claim 1, wherein the connecting frame (104) is T-shaped, a steel cylinder is integrally arranged in the middle of the connecting frame (104), a rubber ring is glued in the steel cylinder, and the rotating shaft (1084) passes through the rubber ring in the connecting frame (104).

4. The dust-proof type weeding machine for municipal gardens with good noise reduction effect according to claim 1, wherein the intercepting net (105) is fixed in the connecting cylinder (102) through the support ring (103), and the intercepting net (105) is arranged above the receiving box (106).

5. The dust-proof weeding machine for the municipal garden with good noise reduction effect according to claim 2, wherein a rubber pad is arranged on the right surface of the scraping plate (1086), the rubber pad is tightly attached to the left surface of the intercepting net (105), the fan blade (1083) is fixed to the right side of the outer wall of the rotating shaft (1084) through a mounting cylinder (1082), and the fan blade (1083) is arranged on the right surface of the intercepting net (105).

6. The dust-proof weeding machine for the municipal garden with good noise reduction effect according to claim 1, wherein the adjusting and shielding structure (18) comprises a sleeving frame (181), a sound insulation pad (182), an installation shaft (183), a rotating plate (184), a positioning square plate (185) and a regulating side plate (186), wherein the sound insulation pad (182) is glued on the inner wall of the sleeving frame (181); the mounting shaft (183) is mounted at the left lower part of the inner wall of the sleeving frame (181) through a bearing, and rotating plates (184) are welded on the periphery of the outer wall of the mounting shaft (183); the positioning square plates (185) are welded on the periphery of the upper surface of the sleeving frame (181); the adjusting and controlling side plates (186) are respectively welded at the front part and the rear part of the left side and the right side of the outer wall of the mounting shell (1).

7. The dust-proof weeding machine for the municipal garden with good noise reduction effect according to claim 6, wherein the sound insulation pad (182) inside the sleeving frame (181) is made of polyethylene, the sleeving frame (181) is arranged on the lower portion of the outer wall of the mounting shell (1), the regulating side plate (186) is internally provided with a long hole, and the long hole is fixedly connected with the positioning square plate (185) through a bolt and a nut.

8. The dust-proof type weeding machine for the municipal garden with good noise reduction effect according to claim 1, wherein the elevation control cylinder structure (4) comprises a protection cylinder (41), an assembly disc (42), a reinforcing cylinder (43), a measuring rod (44), a mounting nut (45) and an operating screw (46), and the protection cylinder (41) is inserted into the middle part inside the baffle plate (2); the assembling disc (42) is installed on the lower portion of the inner wall of the protecting cylinder (41) through bolts, and the speed reducer (6) is installed on the upper surface of the assembling disc (42) through bolts; the reinforcing cylinder (43) is embedded at the right side above the inner part of the mounting shell (1); the measuring rod (44) penetrates through the reinforcing cylinder (43) and is connected with the right side bolt at the upper end of the protection cylinder (41); the mounting nut (45) is embedded in the left side above the inside of the mounting shell (1); the operating screw rod (46) is in threaded connection with the inside of the mounting nut (45), and the lower end of the operating screw rod (46) is movably embedded in the upper left part of the inside of the protective cylinder (41).

9. The dust-proof type weeding machine for municipal gardens with a good noise reduction effect according to claim 8, wherein the operating screw (46) is T-shaped and supported by a mounting nut (45), and the protective cylinder (41) at the lower end of the operating screw (46) is inserted into the middle part inside the baffle (2).

10. The dust-proof type weeding machine for municipal gardens with good noise reduction effect according to claim 8, wherein the measuring rod (44) is provided with scale marks in centimeters on the surface thereof, and the measuring rod (44) is fixed inside the reinforcing cylinder (43) through bolts.